<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>获得焦点与失去焦点事件</title>
</head>
<script type="text/javascript">
	function txtfocus(obj){
		obj.style.background="#ccc";
	}
	function txtblur(obj){
		obj.style.background="#fff";
	}
</script>
<body>
<input type="text" name="textfield" onfocus="txtfocus(this)" onBlur="txtblur(this)" />
</body>
</html>